com.mmnaseri.utils.spring.data.query

Interface DataFunctionRegistry

All Known Implementing Classes:

DefaultDataFunctionRegistry

public interface DataFunctionRegistry

A data function registry lets you register and maintain a set of data functions by name.

Since:

1.0 (9/29/15)

Author:

Milad Naseri (mmnaseri@programmer.net)

Method Summary

Modifier and Type	Method and Description
DataFunction<?>	getFunction(String name) Finds the function associated with the given name.
Set<String>	getFunctions()
void	register(String name, DataFunction<?> function) Registers a new data function

Method Detail

register

void register(String name,
              DataFunction<?> function)

Registers a new data function

Parameters:

name - the name under which the function will be known

function - the actual function

getFunction

DataFunction<?> getFunction(String name)

Finds the function associated with the given name. If a function with that name does not exist, throws an exception.

Parameters:

name - the name of the function.

Returns:

the data function

Throws:

FunctionNotFoundException

getFunctions

Set<String> getFunctions()

Returns:

the set of all registered functions